Finding the Fourth Proportional to 268,438.75, 370,436.02 and 147,579.18
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Solution
The fourth proportional to 268,438.75, 370,436.02 and 147,579.18 is: 203,654.07
Step by Step Solution
- Step 1: Write the proportion equation
268,438.75 : 370,436.02 = 147,579.18 : x - Step 2: Convert to fraction form
268,438.75/370,436.02 = 147,579.18/x - Step 3: Cross multiply
268,438.75x = 370,436.02 × 147,579.18 - Step 4: Simplify right side
268,438.75x = 54,668,644,074.06 - Step 5: Solve for x
x = 54,668,644,074.06/268,438.75 - Step 6: Final answer
x = 203,654.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.